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 196 64.7%
2 United States 43 14.2%
3 Germany 19 6.3%
4 Hong Kong 17 5.6%
5 Singapore 4 1.3%
6 Japan 3 1%
7 United Kingdom 3 1%
8 Macao 3 1%
9 New Zealand 2 0.7%
10 Norway 2 0.7%
11 Greece 2 0.7%
12 Australia 2 0.7%
13 Canada 2 0.7%
14 Taiwan 2 0.7%
15 Korea, Republic of 1 0.3%
16 Brazil 1 0.3%
17 Russia 1 0.3%