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 280 46.7%
2 United States 121 20.2%
3 Netherlands 110 18.4%
4 Germany 50 8.3%
5 Canada 13 2.2%
6 Macao 3 0.5%
7 France 3 0.5%
8 Romania 3 0.5%
9 Singapore 2 0.3%
10 South Africa 2 0.3%
11 United Kingdom 2 0.3%
12 Viet Nam 2 0.3%
13 Hong Kong 2 0.3%
14 India 2 0.3%
15 Japan 2 0.3%
16 Korea, Republic of 2 0.3%