BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 63 46.7%
2 China 24 17.8%
3 Germany 13 9.6%
4 France 9 6.7%
5 Viet Nam 6 4.4%
6 United Kingdom 4 3%
7 Korea, Republic of 4 3%
8 Peru 2 1.5%
9 Russia 2 1.5%
10 South Africa 2 1.5%
11 Taiwan 1 0.7%
12 Malaysia 1 0.7%
13 Hong Kong 1 0.7%
14 India 1 0.7%
15 Indonesia 1 0.7%
16 Japan 1 0.7%