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 201 57.9%
2 United States 54 15.6%
3 Germany 30 8.6%
4 Canada 23 6.6%
5 Hong Kong 8 2.3%
6 Japan 6 1.7%
7 Singapore 6 1.7%
8 Russia 3 0.9%
9 Taiwan 3 0.9%
10 Tunisia 2 0.6%
11 Lao People's Democratic Republic 2 0.6%
12 Australia 2 0.6%
13 Brazil 1 0.3%
14 Korea, Republic of 1 0.3%
15 India 1 0.3%
16 Macao 1 0.3%
17 Mauritius 1 0.3%
18 Norway 1 0.3%
19 Switzerland 1 0.3%