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 429 55.9%
2 United States 209 27.2%
3 Germany 36 4.7%
4 Canada 27 3.5%
5 Netherlands 23 3%
6 Hong Kong 12 1.6%
7 India 6 0.8%
8 Russia 5 0.7%
9 Singapore 4 0.5%
10 Taiwan 3 0.4%
11 Ireland 3 0.4%
12 Japan 3 0.4%
13 Korea, Republic of 2 0.3%
14 United Kingdom 2 0.3%
15 Thailand 1 0.1%
16 Turkey 1 0.1%
17 Portugal 1 0.1%
18 Israel 1 0.1%