Table:
Year

Sunday Times
Rich List

Forbes
The World's Billionaires

Rank

Net worth
(£) bn

Rank

Net worth
(US$) bn

2005

3

$25.00

2006

1

£14.88

5

$23.50

2007[50]

1

£19.25

5

$32.00

2008[48][49]

1

£27.70

4

$45.00

2009[51][52]

1

£10.80

8

$19.30

2010[53][54][55]

1

£22.45

5

$28.70

2011[56][57]

1

£17.50

6

$31.10

2012[58]

1

£12.70

21

$20.70

2013[59][60][61]

4

£10.00

41

$16.50

2014[62][63]

3

£10.25

52

$13.70

2015[12][64][65]

7

£9.20

82

$13.50

2016[45][47]

11

£7.12

135

$8.40

Please extract and show the values of the cells in row 4 of this table. Output the cell values in a row as JSON in the format {"row_id":"<row index>", "cell_list":"<a list of cells in this row>"}, e.g., {"row_id":"3", "cell_list": ["123.89", "News gathering", "selected tools"]}.

The target cell values of row 4: {"row_id": "4", "cell_list": ['2006', '1', '£14.88', '5', '$23.50']}