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 680 55.5%
2 United States 279 22.8%
3 Netherlands 97 7.9%
4 Germany 68 5.6%
5 Hong Kong 22 1.8%
6 Canada 20 1.6%
7 France 12 1%
8 Korea, Republic of 10 0.8%
9 Australia 6 0.5%
10 Russia 5 0.4%
11 United Kingdom 5 0.4%
12 Singapore 4 0.3%
13 India 4 0.3%
14 Taiwan 3 0.2%
15 Ukraine 2 0.2%
16 Bahamas 2 0.2%
17 Brazil 2 0.2%
18 Albania 2 0.2%
19 Ireland 1 0.1%
20 Romania 1 0.1%