BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 62 44%
2 United States 36 25.5%
3 Netherlands 13 9.2%
4 Taiwan 10 7.1%
5 Germany 8 5.7%
6 Hong Kong 5 3.5%
7 Russia 2 1.4%
8 United Kingdom 1 0.7%
9 India 1 0.7%
10 Macao 1 0.7%
11 Portugal 1 0.7%
12 France 1 0.7%