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 131 38.6%
2 South Africa 91 26.8%
3 United States 50 14.7%
4 Germany 21 6.2%
5 Korea, Republic of 11 3.2%
6 France 10 2.9%
7 India 7 2.1%
8 Netherlands 5 1.5%
9 Hong Kong 3 0.9%
10 Canada 3 0.9%
11 Uzbekistan 2 0.6%
12 Turkey 2 0.6%
13 Italy 2 0.6%
14 Russia 1 0.3%