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 113 38.7%
2 United States 58 19.9%
3 Finland 30 10.3%
4 South Africa 21 7.2%
5 Germany 17 5.8%
6 Netherlands 16 5.5%
7 India 11 3.8%
8 Korea, Republic of 10 3.4%
9 Hong Kong 5 1.7%
10 Japan 4 1.4%
11 France 2 0.7%
12 Malaysia 1 0.3%
13 Russia 1 0.3%
14 Switzerland 1 0.3%
15 Trinidad and Tobago 1 0.3%
16 Turkey 1 0.3%