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 369 49.1%
2 United States 174 23.2%
3 Netherlands 106 14.1%
4 Germany 53 7.1%
5 Canada 14 1.9%
6 Hong Kong 10 1.3%
7 India 6 0.8%
8 France 5 0.7%
9 United Kingdom 3 0.4%
10 Philippines 2 0.3%
11 Romania 2 0.3%
12 Taiwan 2 0.3%
13 Turkey 2 0.3%
14 Australia 2 0.3%
15 Korea, Republic of 1 0.1%