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 123 61.2%
2 Netherlands 24 11.9%
3 United States 17 8.5%
4 France 15 7.5%
5 Hong Kong 6 3%
6 Korea, Republic of 4 2%
7 Germany 4 2%
8 Russia 4 2%
9 Czech Republic 2 1%
10 Malaysia 1 0.5%
11 India 1 0.5%