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 140 38.5%
2 United States 119 32.7%
3 Germany 29 8%
4 Canada 24 6.6%
5 Hong Kong 10 2.7%
6 Taiwan 6 1.6%
7 Singapore 5 1.4%
8 Switzerland 4 1.1%
9 Japan 4 1.1%
10 Chile 4 1.1%
11 United Kingdom 4 1.1%
12 Malaysia 3 0.8%
13 Russia 2 0.5%
14 Macao 2 0.5%
15 Turkey 2 0.5%
16 2 0.5%
17 Armenia 2 0.5%
18 India 2 0.5%