BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 China 42 46.2%
2 United States 28 30.8%
3 Germany 6 6.6%
4 France 3 3.3%
5 Ukraine 3 3.3%
6 Hong Kong 2 2.2%
7 Canada 2 2.2%
8 India 1 1.1%
9 Japan 1 1.1%
10 Macao 1 1.1%
11 Malaysia 1 1.1%
12 United Kingdom 1 1.1%