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 54 39.4%
2 United States 33 24.1%
3 Germany 13 9.5%
4 Netherlands 12 8.8%
5 Canada 6 4.4%
6 Korea, Republic of 4 2.9%
7 Hong Kong 3 2.2%
8 Macao 2 1.5%
9 New Zealand 2 1.5%
10 Singapore 2 1.5%
11 Taiwan 2 1.5%
12 Hungary 1 0.7%
13 Japan 1 0.7%
14 Brunei Darussalam 1 0.7%
15 France 1 0.7%