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 136 46.4%
2 United States 75 25.6%
3 Germany 13 4.4%
4 Netherlands 11 3.8%
5 Philippines 10 3.4%
6 Russia 7 2.4%
7 France 7 2.4%
8 Korea, Republic of 6 2%
9 Sweden 6 2%
10 United Kingdom 6 2%
11 South Africa 3 1%
12 Norway 3 1%
13 Canada 3 1%
14 Poland 2 0.7%
15 Taiwan 1 0.3%
16 Slovenia 1 0.3%
17 Ecuador 1 0.3%
18 Macao 1 0.3%
19 India 1 0.3%