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 193 53.9%
2 United States 58 16.2%
3 Germany 30 8.4%
4 Canada 30 8.4%
5 Netherlands 20 5.6%
6 Japan 4 1.1%
7 Macao 4 1.1%
8 Ireland 3 0.8%
9 Taiwan 3 0.8%
10 Russia 3 0.8%
11 Singapore 3 0.8%
12 Switzerland 2 0.6%
13 Hong Kong 2 0.6%
14 Malaysia 2 0.6%
15 Brazil 1 0.3%