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 183 44.9%
2 United States 135 33.1%
3 Germany 32 7.8%
4 Canada 18 4.4%
5 Japan 6 1.5%
6 Taiwan 6 1.5%
7 Hong Kong 5 1.2%
8 Netherlands 4 1%
9 Macao 3 0.7%
10 Malaysia 2 0.5%
11 Mexico 2 0.5%
12 United Kingdom 2 0.5%
13 Austria 2 0.5%
14 Brazil 2 0.5%
15 1 0.2%
16 Australia 1 0.2%
17 India 1 0.2%
18 Ireland 1 0.2%
19 Sweden 1 0.2%
20 Lao People's Democratic Republic 1 0.2%