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 195 46.4%
2 United States 138 32.9%
3 Germany 32 7.6%
4 Malaysia 17 4%
5 Taiwan 14 3.3%
6 Tanzania, United Republic of 4 1%
7 United Kingdom 4 1%
8 Singapore 4 1%
9 Hong Kong 4 1%
10 India 2 0.5%
11 Japan 2 0.5%
12 Brazil 2 0.5%
13 Netherlands 1 0.2%
14 Gabon 1 0.2%