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 257 63.1%
2 United States 64 15.7%
3 Germany 33 8.1%
4 Hong Kong 14 3.4%
5 Japan 7 1.7%
6 Singapore 7 1.7%
7 Taiwan 5 1.2%
8 Russia 4 1%
9 India 4 1%
10 Korea, Republic of 3 0.7%
11 Australia 3 0.7%
12 Brazil 3 0.7%
13 Macao 2 0.5%
14 Canada 1 0.2%