BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 171 36.9%
2 China 160 34.5%
3 Germany 43 9.3%
4 Netherlands 22 4.7%
5 France 20 4.3%
6 Hong Kong 12 2.6%
7 Canada 7 1.5%
8 Portugal 7 1.5%
9 Taiwan 5 1.1%
10 4 0.9%
11 Japan 2 0.4%
12 Latvia 2 0.4%
13 Macao 2 0.4%
14 New Zealand 2 0.4%
15 Ukraine 1 0.2%
16 United Kingdom 1 0.2%
17 Moldova, Republic of 1 0.2%
18 Czech Republic 1 0.2%
19 Estonia 1 0.2%