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 333 51.2%
2 United States 191 29.3%
3 Netherlands 41 6.3%
4 Germany 37 5.7%
5 Canada 14 2.2%
6 Hong Kong 10 1.5%
7 Ireland 5 0.8%
8 Taiwan 4 0.6%
9 Singapore 3 0.5%
10 Spain 2 0.3%
11 United Kingdom 2 0.3%
12 Moldova, Republic of 2 0.3%
13 Macao 1 0.2%
14 Malaysia 1 0.2%
15 India 1 0.2%
16 France 1 0.2%
17 Viet Nam 1 0.2%
18 New Zealand 1 0.2%
19 Pakistan 1 0.2%