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 206 57.7%
2 United States 73 20.4%
3 Germany 35 9.8%
4 Russia 6 1.7%
5 Korea, Republic of 5 1.4%
6 Taiwan 4 1.1%
7 Japan 4 1.1%
8 Singapore 3 0.8%
9 Malaysia 3 0.8%
10 Hong Kong 3 0.8%
11 Canada 3 0.8%
12 Australia 2 0.6%
13 France 2 0.6%
14 French Polynesia 2 0.6%
15 Georgia 2 0.6%
16 Philippines 2 0.6%
17 Latvia 1 0.3%
18 Turkey 1 0.3%