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 250 50.9%
2 United States 161 32.8%
3 Germany 36 7.3%
4 Canada 9 1.8%
5 Taiwan 9 1.8%
6 Japan 6 1.2%
7 Hong Kong 5 1%
8 Macao 4 0.8%
9 Singapore 3 0.6%
10 Malaysia 2 0.4%
11 Korea, Republic of 2 0.4%
12 France 2 0.4%
13 Australia 1 0.2%
14 Russia 1 0.2%