Country/Region Comparison

Documents
YearUnited StatesChinaUnited Kingdom
19969675883808
19979743814032
199898941504316
1999102151454389
2000106411444817
2001107691444406
2002123381994847
2003127492034861
2004132335515125
2005142715235731
20061498711096179
20071536613336750
20081590911576611
20092153113398369
20102288815669409
201123702184110211
201223383196910388
201324220215711338
201426010236411152
201526717244111725
201627232230512634
201727745279512851
201828333311313543
201927887392813258
202027826437613425
202128206529913257
202227844564012861
202326953670213184
202425944861313340
Citable documents
YearUnited StatesChinaUnited Kingdom
19969164852907
19979230803341
199893291483942
199995931453413
2000100161403848
2001102501413644
2002116891944220
2003120221984208
2004124175444527
2005132885115049
20061385310965638
20071413513196127
20081468011346062
20091961613097526
20102077315208404
20112146517829095
20122134619009394
20132213220989931
20142351622829802
201523926232410111
201623978220110732
201724328266611087
201824779295211570
201924666366211547
202024754412611513
202125292506411541
202224630533711212
202323889641111528
202423585834911882
Non-citable documents
YearUnited StatesChinaUnited Kingdom
19965113901
19975131691
19985652374
19996220976
20006254969
20015193762
20026495627
20037275653
20048167598
200598312682
2006113413541
2007123114623
2008122923549
2009191530843
20102115461005
20112237591116
2012203769994
20132088591407
20142494821350
201527911171614
201632541041902
201734171291764
201835541611973
201932212661711
202030722501912
202129142351716
202232143031649
202330642911656
202423592641458
Cited documents
YearUnited StatesChinaUnited Kingdom
19968188742629
19978508612916
199886091273187
19998872933176
200093101103736
200194781043392
2002106061573964
2003110671584056
2004114563694403
2005123843204868
2006130067335353
2007132079175870
2008136977345699
2009175249886976
20101842611467666
20111911412638278
20121882413968588
20131920814809225
20142038616638920
20152059317199061
20162045816699649
20172058020369977
201820572224710238
20191976927079887
20201910831389678
20211785835399162
20221503335237773
20231130935926258
2024554622603265
Non-cited documents
YearUnited StatesChinaUnited Kingdom
19961487141179
19971235201116
19981285231129
19991343521213
20001331341081
20011291401014
2002173242883
2003168245805
20041777182722
20051887203863
20061981376826
20072159416880
20082212423912
200940073511393
201044624201743
201145885781933
201245595731800
201350126772113
201456247012232
201561247222664
201667746362985
201771657592874
201877618663305
2019811812213371
2020871812383747
20211034817604095
20221281121175088
20231564431106926
202420398635310075
Cites
YearUnited StatesChinaUnited Kingdom
19966753476390113318
19977292496334118833
19987229475647140081
19997721866404146875
20007769757417190444
20018268166583156936
200290659710190184432
200385990312955211492
200491772421898336074
200584490524069254590
200683801528858272848
200779279332785277082
200886052735773267626
200985472860304290896
201083459654747283706
201179193352876252063
201267567155560262774
201371152081558254694
201463987069882235220
201561965665836227491
201654035066998215332
201747867760101191733
201844968181104193921
201935122769098146595
202034123696200157118
202122032355174107001
20221281013898860865
2023586082419229433
20241407975978360
External Cites
YearUnited StatesChinaUnited Kingdom
1996352733367285326
1997389433294588179
19983952263613104078
19994301923904109150
20004314143125145874
20014674382375115657
20025149766895135421
20034820248223160732
200451942812400269923
200547620014512190565
200647286314031204905
200745130318483207265
200850129718643201244
200948580735422219672
201047761129449211963
201146650230376187481
201238864730931196750
201341141551517189207
201437113836258175176
201536663229876169826
201632200532902162694
201728817627919142743
201827196439106146856
201920898030758108380
202020925554435121198
20211336852325979930
2022754771549944891
202334871967221147
2024791727645696
Self Cites
YearUnited StatesChinaUnited Kingdom
1996322614271827992
1997339816338930654
1998327721203436003
1999341994250037725
2000345561429244570
2001359378420841279
2002391621329549011
2003377879473250760
2004398296949866151
2005368705955764025
20063651521482767943
20073414901430269817
20083592301713066382
20093689212488271224
20103569852529871743
20113254312250064582
20122870242462966024
20133001053004165487
20142687323362460044
20152530243596057665
20162183453409652638
20171905013218248990
20181777174199847065
20191422473834038215
20201319814176535920
2021866383191527071
2022526242348915974
202323737145208286
2024616248332664
% International Collaboration
YearUnited StatesChinaUnited Kingdom
199613.7040.9113.21
19979.6349.3810.64
199811.7131.3312.35
199910.4126.2110.94
20009.5234.7210.75
20017.8824.319.74
20029.3029.1512.34
200312.5148.7716.93
200414.2525.0518.71
200514.4126.2019.33
200614.5517.8519.31
200715.5720.1819.63
200819.5823.5122.95
200913.0021.1419.00
201011.7421.4617.90
201111.9221.2417.83
201212.4823.3618.07
201312.8423.9718.51
201413.6222.6721.25
201513.3425.4821.06
201613.6829.2421.40
201714.4928.1922.61
201815.7330.0724.19
201915.9130.1924.14
202016.9829.0025.71
202117.8526.7628.14
202217.7227.6128.64
202318.6826.8030.22
202420.5726.9432.00
% Open Access
YearUnited StatesChinaUnited Kingdom
19967.575.688.51
19978.6411.1110.42
19989.656.0011.24
19999.3613.1010.37
20009.2813.8911.98
200110.2015.2814.37
200211.0415.0813.20
200311.9914.2916.75
200413.0020.3317.99
200513.6423.7118.13
200614.8719.2119.16
200715.2014.8521.57
200818.2321.7822.04
200919.8526.2122.97
201019.6726.3123.67
201120.1834.2724.25
201220.2635.9624.10
201320.4830.6427.45
201421.7632.3635.24
201523.5033.5541.40
201625.9433.8050.59
201726.6232.9558.27
201829.1838.3958.81
201931.4944.6860.20
202032.3744.3160.33
202132.9442.7365.51
202233.6347.9466.39
202336.1750.7370.15
202432.4549.4968.43
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