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 158 40.7%
2 United States 128 33%
3 Germany 39 10.1%
4 Canada 13 3.4%
5 Netherlands 10 2.6%
6 United Kingdom 5 1.3%
7 Ghana 5 1.3%
8 Hong Kong 5 1.3%
9 Australia 4 1%
10 Russia 4 1%
11 Thailand 3 0.8%
12 Korea, Republic of 3 0.8%
13 Malaysia 2 0.5%
14 Iran, Islamic Republic of 2 0.5%
15 Singapore 2 0.5%
16 Switzerland 2 0.5%
17 New Zealand 2 0.5%
18 Ukraine 1 0.3%