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 266 66.8%
2 United States 61 15.3%
3 Germany 26 6.5%
4 Canada 18 4.5%
5 Sri Lanka 7 1.8%
6 Hong Kong 4 1%
7 Japan 3 0.8%
8 Norway 3 0.8%
9 Spain 3 0.8%
10 Macao 2 0.5%
11 Malaysia 2 0.5%
12 Mauritius 1 0.3%
13 Australia 1 0.3%
14 Thailand 1 0.3%