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 645 56.9%
2 United States 193 17%
3 Netherlands 133 11.7%
4 France 75 6.6%
5 Germany 45 4%
6 Canada 18 1.6%
7 India 6 0.5%
8 Korea, Republic of 6 0.5%
9 Hong Kong 4 0.4%
10 Malaysia 2 0.2%
11 Philippines 2 0.2%
12 Switzerland 2 0.2%
13 United Kingdom 2 0.2%
14 Russia 1 0.1%