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 254 57%
2 United States 102 22.9%
3 Germany 39 8.7%
4 Canada 18 4%
5 Hong Kong 17 3.8%
6 Singapore 4 0.9%
7 Russia 2 0.4%
8 Korea, Republic of 2 0.4%
9 Australia 2 0.4%
10 Brazil 1 0.2%
11 Czech Republic 1 0.2%
12 Macao 1 0.2%
13 Mexico 1 0.2%
14 Japan 1 0.2%
15 Turkey 1 0.2%