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 185 40.4%
2 United States 157 34.3%
3 Germany 41 9%
4 Hong Kong 15 3.3%
5 Canada 13 2.8%
6 Malaysia 9 2%
7 Netherlands 6 1.3%
8 Guyana 6 1.3%
9 Turkey 5 1.1%
10 Singapore 3 0.7%
11 Greece 3 0.7%
12 Australia 2 0.4%
13 Ireland 2 0.4%
14 Italy 2 0.4%
15 Ukraine 2 0.4%
16 United Kingdom 2 0.4%
17 Taiwan 2 0.4%
18 Thailand 1 0.2%
19 Spain 1 0.2%
20 India 1 0.2%