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 272 54.9%
2 United States 113 22.8%
3 Germany 39 7.9%
4 Singapore 19 3.8%
5 Canada 9 1.8%
6 Netherlands 8 1.6%
7 Hong Kong 7 1.4%
8 Australia 5 1%
9 Taiwan 5 1%
10 Switzerland 3 0.6%
11 Korea, Republic of 3 0.6%
12 Malaysia 2 0.4%
13 India 2 0.4%
14 Italy 2 0.4%
15 Japan 1 0.2%
16 Bangladesh 1 0.2%
17 New Zealand 1 0.2%
18 Turkey 1 0.2%
19 Ukraine 1 0.2%
20 Viet Nam 1 0.2%