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 57 36.3%
2 United States 33 21%
3 South Africa 12 7.6%
4 Germany 11 7%
5 India 9 5.7%
6 Netherlands 8 5.1%
7 Korea, Republic of 7 4.5%
8 Taiwan 4 2.5%
9 Hong Kong 3 1.9%
10 Australia 3 1.9%
11 Canada 2 1.3%
12 Japan 2 1.3%
13 Singapore 2 1.3%
14 Spain 1 0.6%
15 United Kingdom 1 0.6%
16 Norway 1 0.6%
17 Russia 1 0.6%