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 228 54.8%
2 United States 74 17.8%
3 Germany 48 11.5%
4 Canada 20 4.8%
5 Singapore 7 1.7%
6 Taiwan 5 1.2%
7 United Kingdom 5 1.2%
8 Hong Kong 5 1.2%
9 Australia 4 1%
10 Netherlands 4 1%
11 Brazil 3 0.7%
12 Japan 3 0.7%
13 Malaysia 3 0.7%
14 South Africa 2 0.5%
15 New Zealand 1 0.2%
16 Russia 1 0.2%
17 Uzbekistan 1 0.2%
18 Moldova, Republic of 1 0.2%
19 India 1 0.2%