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 423 51.7%
2 United States 158 19.3%
3 Netherlands 102 12.5%
4 Germany 57 7%
5 Hong Kong 19 2.3%
6 Canada 16 2%
7 Sweden 9 1.1%
8 France 5 0.6%
9 Singapore 4 0.5%
10 Japan 4 0.5%
11 Australia 4 0.5%
12 Viet Nam 3 0.4%
13 Chile 2 0.2%
14 India 2 0.2%
15 Korea, Republic of 2 0.2%
16 Malaysia 2 0.2%
17 Thailand 2 0.2%
18 Switzerland 1 0.1%
19 Czech Republic 1 0.1%
20 Brazil 1 0.1%
21 Uzbekistan 1 0.1%