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 142 60.2%
2 United States 44 18.6%
3 Germany 18 7.6%
4 Taiwan 7 3%
5 Russia 5 2.1%
6 Hong Kong 4 1.7%
7 Korea, Republic of 3 1.3%
8 Turkey 3 1.3%
9 Macao 2 0.8%
10 Malaysia 2 0.8%
11 Netherlands 2 0.8%
12 Singapore 2 0.8%
13 France 1 0.4%
14 Canada 1 0.4%