Country/Region Comparison

Documents
YearUnited StatesChinaUnited Kingdom
19961372512033837
19971290612963689
19981286313793821
19991354117133922
20001297818683875
20011392919083617
20021397921973732
20031427629503910
20041541835714421
20051579447844262
20061589958024328
20071704665954210
20081779579584478
20091825986994617
20101917594284913
201119440113234785
201220073122915011
201319952139604641
201420255165444827
201520258154254928
201620189167814834
201719677179774786
201820617213525196
201919847259224860
202020474303515209
202121585337725997
202220335376455480
202318393377084908
202418612436264721
Citable documents
YearUnited StatesChinaUnited Kingdom
19961345612013678
19971261312913511
19981245213673646
19991306217013718
20001250318453682
20011347118883395
20021336721943429
20031370629343526
20041470635623858
20051510547643767
20061519657863859
20071622865813766
20081686279334076
20091718486614103
20101798993644475
201118402112564365
201218793120724512
201318707137834361
201419027163754443
201518817152754554
201618442165604374
201717860177644357
201818770210934769
201918311256184484
202018782299604808
202120027334295564
202218591371965034
202316766371914529
202417223431284422
Non-citable documents
YearUnited StatesChinaUnited Kingdom
19962692159
19972935178
199841112175
199947912204
200047523193
200145820222
20026123303
200357016384
20047129563
200568920495
200670316469
200781814444
200893325402
2009107538514
2010118664438
2011103867420
20121280219499
20131245177280
20141228169384
20151441150374
20161747221460
20171817213429
20181847259427
20191536304376
20201692391401
20211558343433
20221744449446
20231627517379
20241389498299
Cited documents
YearUnited StatesChinaUnited Kingdom
1996126618483479
1997118309443273
1998118209753331
19991231212043283
20001213413333417
20011274015093314
20021313418153295
20031340824063413
20041443029163728
20051476539563600
20061492349173670
20071590456693606
20081652365583904
20091676972843888
20101739081194241
20111774696614207
201218389106164401
201318288119854271
201418524137954260
201518509136324451
201618485151454352
201718073163354364
201819051195874769
201918478233524546
202019029267734879
202119726294555519
202217828323444923
202314657293604099
20247215172682022
Non-cited documents
YearUnited StatesChinaUnited Kingdom
19961064355358
19971076352416
19981043404490
19991229509639
2000844535458
20011189399303
2002845382437
2003868544497
2004988655693
20051029828662
2006976885658
20071142926604
200812721400574
200914901415729
201017851309672
201116941662578
201216841675610
201316641975370
201417312749567
201517491793477
201617041636482
201716041642422
201815661765427
201913692570314
202014453578330
202118594317478
202225075301557
202337368348809
202411397263582699
Cites
YearUnited StatesChinaUnited Kingdom
199652013411878147546
199753382814857137033
199853400014377157504
199961349521089161027
200066246327882176405
200169912233770184320
200277018043629194698
200377300660159185143
200484390083369212977
2005843956107140212623
2006820319147277214988
2007861458158237193261
2008903596187768220381
2009824297211183196130
2010859327244490206346
2011790304274895211819
2012782209292025195367
2013762170321023187903
2014729373342771176301
2015674500355755187175
2016648377390709164506
2017589853442147158398
2018590060539673163024
2019486410583417133477
2020439029612804124740
2021343289505313108617
202219587636282660145
20238992119420927176
202418765465695568
External Cites
YearUnited StatesChinaUnited Kingdom
19962925406983119236
19972979899239110970
19983015488517128218
199934889612736133119
200038448717066147017
200141382319620154616
200245386625514162268
200346196235662155486
200450528150086178816
200550396762935178407
200649361084023181088
200751329488462160758
2008546716105987182861
2009493707116960163151
2010528329134455170672
2011485265147260175170
2012481623150961159779
2013468300163407154944
2014452429170827143174
2015418671174630154768
2016410842179828135227
2017377046197911132370
2018388019233487135632
2019320644237769111378
2020297233247746104102
202123085618115291076
202212969912157949832
2023592886224822164
202411701140604471
Self Cites
YearUnited StatesChinaUnited Kingdom
1996227594489528310
1997235839561826063
1998232452586029286
1999264599835327908
20002779761081629388
20012852991415029704
20023163141811532430
20033110442449729657
20043386193328334161
20053399894420534216
20063267096325433900
20073481646977532503
20083568808178137520
20093305909422332979
201033099811003535674
201130503912763536649
201230058614106435588
201329387015761632959
201427694417194433127
201525582918112532407
201623753521088129279
201721280724423626028
201820204130618627392
201916576634564822099
202014179636505820638
202111243332416117541
20226617724124710313
2023306331319615012
20247064325091097
% International Collaboration
YearUnited StatesChinaUnited Kingdom
199617.4315.9627.05
199716.7214.5125.05
199818.1313.6326.80
199917.1013.6026.01
200017.1513.2226.17
200115.0012.1126.35
200217.5014.4327.87
200321.6316.6132.28
200422.7716.9734.61
200524.1015.5137.19
200623.5915.8934.73
200724.1615.1939.43
200826.1114.8043.50
200925.8915.7041.13
201026.8016.9244.64
201128.1915.1447.71
201229.5016.0549.73
201330.5615.5753.59
201432.6715.5254.82
201533.3718.0257.95
201635.0617.8159.39
201737.1318.2363.23
201839.7918.8964.84
201940.1916.7168.11
202041.6915.5470.30
202142.6915.2171.97
202243.6913.9574.58
202343.6911.9375.84
202446.0411.3378.33
% Open Access
YearUnited StatesChinaUnited Kingdom
199618.0121.1122.99
199719.1821.9123.34
199820.1421.2525.86
199920.4721.3122.79
200020.4221.2023.61
200119.3019.5021.59
200218.9320.2122.35
200319.7022.4723.68
200421.8222.3223.59
200520.9624.5422.83
200624.1426.3025.12
200729.7426.5026.89
200840.6727.4131.31
200946.3529.1831.82
201048.0827.0434.72
201149.9727.3036.53
201251.9430.2738.97
201355.3830.0642.75
201457.8534.0748.68
201560.3335.9757.06
201660.1937.9164.34
201760.8941.1269.01
201862.3744.6871.46
201964.0048.7474.14
202066.5848.7776.79
202169.3150.6177.26
202270.0356.5480.02
202369.7855.1281.48
202453.6248.6673.31
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