date internet explorer  chrome           firefox safari
0   desktop + laptop            mobile   total  desktop + laptop  total
1          july 2013            20.27%  36.29%            16.60%  4.27%
2          june 2013            21.35%  35.82%            16.79%  3.79%
3           may 2013            23.67%  35.66%            16.87%  3.67%
4         april 2013            25.58%  33.71%            17.27%  3.76%
5         march 2013            25.08%  32.88%            17.86%  3.90%
6      february 2013            25.54%  31.96%            18.28%  3.89%
7       january 2013            26.37%  31.51%            18.39%  3.64%
8      december 2012            26.30%  31.12%            18.71%  3.37%
9      november 2012            27.15%  31.05%            19.74%  3.01%
10      october 2012            28.13%  30.49%            19.57%  2.91%
11    september 2012            28.77%  30.01%            19.70%  2.79%
12       august 2012            28.98%  29.63%            20.16%  2.83%
13         july 2012            28.49%  30.06%            21.01%  2.77%
14         june 2012            28.95%  29.35%            22.00%  2.54%
15          may 2012            28.87%  29.15%            22.97%  2.31%
16        april 2012            30.81%  28.24%            22.49%  2.27%
17        march 2012            31.68%  28.09%            22.73%  2.15%
18     february 2012            32.70%  27.24%            22.76%  2.16%
19      january 2012            34.27%  25.99%            22.68%  1.92%
20     december 2011            35.54%  25.08%            23.24%  1.82%
21     november 2011            37.81%  23.90%            23.48%  1.67%
22      october 2011            37.55%  23.36%            24.66%  1.53%
23    september 2011            38.85%  22.02%            24.98%  1.42%
24       august 2011            38.91%  21.51%            25.53%  1.37%
25         july 2011            39.47%  20.59%            25.99%  1.40%
26         june 2011            40.73%  19.30%            26.49%  4.74%

Table as JSON:
{"date":{"0":"desktop + laptop","1":"july 2013","2":"june 2013","3":"may 2013","4":"april 2013","5":"march 2013","6":"february 2013","7":"january 2013","8":"december 2012","9":"november 2012","10":"october 2012","11":"september 2012","12":"august 2012","13":"july 2012","14":"june 2012","15":"may 2012","16":"april 2012","17":"march 2012","18":"february 2012","19":"january 2012","20":"december 2011","21":"november 2011","22":"october 2011","23":"september 2011","24":"august 2011","25":"july 2011","26":"june 2011"},"internet explorer":{"0":"mobile","1":"20.27%","2":"21.35%","3":"23.67%","4":"25.58%","5":"25.08%","6":"25.54%","7":"26.37%","8":"26.30%","9":"27.15%","10":"28.13%","11":"28.77%","12":"28.98%","13":"28.49%","14":"28.95%","15":"28.87%","16":"30.81%","17":"31.68%","18":"32.70%","19":"34.27%","20":"35.54%","21":"37.81%","22":"37.55%","23":"38.85%","24":"38.91%","25":"39.47%","26":"40.73%"},"chrome":{"0":"total","1":"36.29%","2":"35.82%","3":"35.66%","4":"33.71%","5":"32.88%","6":"31.96%","7":"31.51%","8":"31.12%","9":"31.05%","10":"30.49%","11":"30.01%","12":"29.63%","13":"30.06%","14":"29.35%","15":"29.15%","16":"28.24%","17":"28.09%","18":"27.24%","19":"25.99%","20":"25.08%","21":"23.90%","22":"23.36%","23":"22.02%","24":"21.51%","25":"20.59%","26":"19.30%"},"firefox":{"0":"desktop + laptop","1":"16.60%","2":"16.79%","3":"16.87%","4":"17.27%","5":"17.86%","6":"18.28%","7":"18.39%","8":"18.71%","9":"19.74%","10":"19.57%","11":"19.70%","12":"20.16%","13":"21.01%","14":"22.00%","15":"22.97%","16":"22.49%","17":"22.73%","18":"22.76%","19":"22.68%","20":"23.24%","21":"23.48%","22":"24.66%","23":"24.98%","24":"25.53%","25":"25.99%","26":"26.49%"},"safari":{"0":"total","1":"4.27%","2":"3.79%","3":"3.67%","4":"3.76%","5":"3.90%","6":"3.89%","7":"3.64%","8":"3.37%","9":"3.01%","10":"2.91%","11":"2.79%","12":"2.83%","13":"2.77%","14":"2.54%","15":"2.31%","16":"2.27%","17":"2.15%","18":"2.16%","19":"1.92%","20":"1.82%","21":"1.67%","22":"1.53%","23":"1.42%","24":"1.37%","25":"1.40%","26":"4.74%"}}