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 90 47.6%
2 United States 45 23.8%
3 Netherlands 19 10.1%
4 France 10 5.3%
5 Hong Kong 10 5.3%
6 Germany 6 3.2%
7 Taiwan 3 1.6%
8 Malaysia 2 1.1%
9 Russia 2 1.1%
10 Poland 1 0.5%
11 India 1 0.5%