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 93 43.9%
2 United States 37 17.5%
3 South Africa 16 7.5%
4 Netherlands 15 7.1%
5 India 12 5.7%
6 Germany 10 4.7%
7 Korea, Republic of 9 4.2%
8 Hong Kong 6 2.8%
9 Japan 4 1.9%
10 Switzerland 3 1.4%
11 Taiwan 2 0.9%
12 Russia 2 0.9%
13 Canada 2 0.9%
14 France 1 0.5%