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 70 43.8%
2 United States 35 21.9%
3 Hong Kong 14 8.8%
4 France 12 7.5%
5 Taiwan 7 4.4%
6 Germany 6 3.8%
7 Korea, Republic of 6 3.8%
8 Netherlands 5 3.1%
9 Russia 1 0.6%
10 Spain 1 0.6%
11 India 1 0.6%
12 Thailand 1 0.6%
13 Canada 1 0.6%