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 167 52.5%
2 United States 49 15.4%
3 Germany 40 12.6%
4 Netherlands 32 10.1%
5 Hong Kong 7 2.2%
6 Taiwan 7 2.2%
7 Canada 5 1.6%
8 Ireland 4 1.3%
9 Japan 2 0.6%
10 Moldova, Republic of 2 0.6%
11 Russia 1 0.3%
12 Isle of Man 1 0.3%
13 United Kingdom 1 0.3%