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 214 43.4%
2 United States 146 29.6%
3 Germany 36 7.3%
4 Netherlands 19 3.9%
5 Hong Kong 15 3%
6 Malaysia 15 3%
7 Singapore 12 2.4%
8 Canada 11 2.2%
9 New Zealand 5 1%
10 Australia 5 1%
11 Spain 3 0.6%
12 Ukraine 2 0.4%
13 United Kingdom 2 0.4%
14 Bulgaria 2 0.4%
15 India 2 0.4%
16 Japan 1 0.2%
17 Cambodia 1 0.2%
18 Moldova, Republic of 1 0.2%
19 Tajikistan 1 0.2%