BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 507 36.3%
2 United States 376 26.9%
3 Netherlands 213 15.3%
4 France 95 6.8%
5 Germany 59 4.2%
6 Russia 51 3.7%
7 India 24 1.7%
8 Canada 21 1.5%
9 Ukraine 10 0.7%
10 Sweden 9 0.6%
11 Norway 8 0.6%
12 Hong Kong 4 0.3%
13 United Arab Emirates 4 0.3%
14 Singapore 3 0.2%
15 Lithuania 2 0.1%
16 Luxembourg 2 0.1%
17 United Kingdom 2 0.1%
18 Tajikistan 1 0.1%
19 Turkey 1 0.1%
20 Iran, Islamic Republic of 1 0.1%
21 Korea, Republic of 1 0.1%
22 Australia 1 0.1%
23 Finland 1 0.1%