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 313 53.6%
2 United States 88 15.1%
3 Germany 49 8.4%
4 Canada 31 5.3%
5 Netherlands 27 4.6%
6 Hong Kong 25 4.3%
7 Taiwan 14 2.4%
8 Singapore 8 1.4%
9 Japan 8 1.4%
10 Italy 3 0.5%
11 Armenia 2 0.3%
12 India 2 0.3%
13 Malaysia 2 0.3%
14 Sweden 2 0.3%
15 United Kingdom 2 0.3%
16 Viet Nam 2 0.3%
17 Russia 2 0.3%
18 Moldova, Republic of 1 0.2%
19 Portugal 1 0.2%
20 Australia 1 0.2%
21 Brazil 1 0.2%