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 183 48.7%
2 United States 123 32.7%
3 Germany 34 9%
4 Netherlands 6 1.6%
5 Taiwan 5 1.3%
6 Canada 5 1.3%
7 Russia 4 1.1%
8 United Kingdom 3 0.8%
9 Australia 2 0.5%
10 Singapore 2 0.5%
11 Chile 2 0.5%
12 France 2 0.5%
13 Hong Kong 2 0.5%
14 India 1 0.3%
15 Mexico 1 0.3%
16 Turkey 1 0.3%