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 415 47.2%
2 United States 179 20.3%
3 Netherlands 111 12.6%
4 France 68 7.7%
5 Germany 45 5.1%
6 Canada 16 1.8%
7 Ireland 9 1%
8 Korea, Republic of 7 0.8%
9 Hong Kong 4 0.5%
10 India 3 0.3%
11 Australia 3 0.3%
12 Singapore 3 0.3%
13 Ukraine 3 0.3%
14 Brazil 2 0.2%
15 Croatia 2 0.2%
16 Indonesia 2 0.2%
17 Romania 2 0.2%
18 Russia 2 0.2%
19 Estonia 1 0.1%
20 Finland 1 0.1%
21 Belarus 1 0.1%
22 United Kingdom 1 0.1%