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 131 57.7%
2 United States 36 15.9%
3 Netherlands 26 11.5%
4 Russia 8 3.5%
5 Japan 7 3.1%
6 France 4 1.8%
7 Germany 3 1.3%
8 Canada 3 1.3%
9 Brazil 2 0.9%
10 Hong Kong 2 0.9%
11 India 1 0.4%
12 Macao 1 0.4%
13 Singapore 1 0.4%
14 Spain 1 0.4%
15 United Kingdom 1 0.4%