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 China 171 35.7%
2 United States 144 30.1%
3 Germany 48 10%
4 Netherlands 45 9.4%
5 France 21 4.4%
6 Hong Kong 14 2.9%
7 Canada 11 2.3%
8 Portugal 7 1.5%
9 4 0.8%
10 Norway 3 0.6%
11 Russia 2 0.4%
12 Armenia 2 0.4%
13 Czech Republic 1 0.2%
14 Japan 1 0.2%
15 Korea, Republic of 1 0.2%
16 South Africa 1 0.2%
17 Taiwan 1 0.2%
18 Ukraine 1 0.2%
19 United Kingdom 1 0.2%