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 614 64.9%
2 United States 155 16.4%
3 Netherlands 94 9.9%
4 Germany 38 4%
5 France 8 0.8%
6 Canada 8 0.8%
7 Hong Kong 5 0.5%
8 Singapore 5 0.5%
9 Russia 4 0.4%
10 India 4 0.4%
11 Taiwan 3 0.3%
12 Saint Lucia 2 0.2%
13 Viet Nam 2 0.2%
14 Ukraine 1 0.1%
15 United Kingdom 1 0.1%
16 Romania 1 0.1%
17 Bulgaria 1 0.1%