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 665 41.8%
2 United States 374 23.5%
3 Netherlands 214 13.5%
4 France 118 7.4%
5 Germany 104 6.5%
6 Canada 33 2.1%
7 Czech Republic 30 1.9%
8 Korea, Republic of 9 0.6%
9 Russia 9 0.6%
10 Hong Kong 9 0.6%
11 Ireland 6 0.4%
12 India 5 0.3%
13 United Kingdom 4 0.3%
14 Brazil 3 0.2%
15 Australia 2 0.1%
16 Bahrain 1 0.1%
17 Finland 1 0.1%
18 Taiwan 1 0.1%
19 Ukraine 1 0.1%
20 Norway 1 0.1%