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 158 58.5%
2 United States 63 23.3%
3 Germany 25 9.3%
4 Singapore 6 2.2%
5 Canada 3 1.1%
6 India 3 1.1%
7 Malaysia 2 0.7%
8 Hong Kong 2 0.7%
9 France 2 0.7%
10 Thailand 2 0.7%
11 Switzerland 1 0.4%
12 Moldova, Republic of 1 0.4%
13 Japan 1 0.4%
14 Macao 1 0.4%