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 378 52.3%
2 United States 188 26%
3 Netherlands 67 9.3%
4 Germany 48 6.6%
5 Canada 17 2.4%
6 Hong Kong 4 0.6%
7 France 4 0.6%
8 Ukraine 4 0.6%
9 United Kingdom 3 0.4%
10 Macao 2 0.3%
11 Norway 2 0.3%
12 Singapore 2 0.3%
13 India 1 0.1%
14 Korea, Republic of 1 0.1%
15 Austria 1 0.1%
16 Finland 1 0.1%