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 230 55.7%
2 United States 47 11.4%
3 Germany 36 8.7%
4 Netherlands 27 6.5%
5 Canada 24 5.8%
6 Hong Kong 8 1.9%
7 Taiwan 8 1.9%
8 Russia 7 1.7%
9 Australia 7 1.7%
10 Brazil 4 1%
11 Malaysia 4 1%
12 United Kingdom 2 0.5%
13 Singapore 2 0.5%
14 Switzerland 2 0.5%
15 France 2 0.5%
16 Macao 2 0.5%
17 India 1 0.2%