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 602 48.7%
2 United States 299 24.2%
3 Netherlands 129 10.4%
4 France 60 4.9%
5 Germany 53 4.3%
6 Canada 27 2.2%
7 Czech Republic 15 1.2%
8 Hong Kong 12 1%
9 Taiwan 7 0.6%
10 Korea, Republic of 7 0.6%
11 India 6 0.5%
12 Ireland 4 0.3%
13 Russia 4 0.3%
14 Brazil 2 0.2%
15 United Arab Emirates 2 0.2%
16 Norway 1 0.1%
17 Singapore 1 0.1%
18 Thailand 1 0.1%
19 Turkey 1 0.1%
20 Egypt 1 0.1%
21 Finland 1 0.1%