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 78 39.6%
2 United States 44 22.3%
3 Germany 16 8.1%
4 South Africa 15 7.6%
5 Hong Kong 10 5.1%
6 India 10 5.1%
7 Korea, Republic of 7 3.6%
8 Netherlands 3 1.5%
9 Taiwan 3 1.5%
10 Australia 2 1%
11 Russia 2 1%
12 Japan 2 1%
13 New Zealand 1 0.5%
14 Greece 1 0.5%
15 Finland 1 0.5%
16 Switzerland 1 0.5%
17 Thailand 1 0.5%