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 81 36.3%
2 United States 49 22%
3 Germany 35 15.7%
4 Netherlands 14 6.3%
5 Russia 9 4%
6 India 7 3.1%
7 Hong Kong 5 2.2%
8 Brazil 4 1.8%
9 United Kingdom 3 1.3%
10 Belarus 2 0.9%
11 Ghana 2 0.9%
12 Mauritius 2 0.9%
13 Singapore 2 0.9%
14 Taiwan 2 0.9%
15 Poland 2 0.9%
16 Israel 1 0.4%
17 Czech Republic 1 0.4%
18 Estonia 1 0.4%
19 France 1 0.4%