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 270 45.1%
2 United States 208 34.7%
3 Germany 37 6.2%
4 Hong Kong 26 4.3%
5 Canada 22 3.7%
6 Japan 6 1%
7 Netherlands 5 0.8%
8 Taiwan 4 0.7%
9 Singapore 3 0.5%
10 Pakistan 3 0.5%
11 Chile 3 0.5%
12 Albania 2 0.3%
13 Australia 2 0.3%
14 Hungary 2 0.3%
15 Korea, Republic of 2 0.3%
16 Malaysia 1 0.2%
17 Russia 1 0.2%
18 Ireland 1 0.2%
19 Greece 1 0.2%