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 194 56.4%
2 United States 67 19.5%
3 Germany 48 14%
4 Canada 6 1.7%
5 Hong Kong 5 1.5%
6 Netherlands 4 1.2%
7 Russia 4 1.2%
8 Macao 3 0.9%
9 Malaysia 3 0.9%
10 Moldova, Republic of 3 0.9%
11 Japan 2 0.6%
12 France 2 0.6%
13 United Arab Emirates 2 0.6%
14 Taiwan 1 0.3%