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 303 44.8%
2 United States 138 20.4%
3 Netherlands 99 14.6%
4 Germany 83 12.3%
5 Canada 23 3.4%
6 France 5 0.7%
7 Russia 5 0.7%
8 Taiwan 5 0.7%
9 Malaysia 4 0.6%
10 Macao 3 0.4%
11 Singapore 2 0.3%
12 Philippines 1 0.1%
13 United Kingdom 1 0.1%
14 Hong Kong 1 0.1%
15 India 1 0.1%
16 1 0.1%
17 Finland 1 0.1%