item 1b .
unresolved staff comments .
item 2 .
properties .
3m 2019s general offices , corporate research laboratories , and certain division laboratories are located in st .
paul , minnesota .
in the united states , 3m has nine sales offices in eight states and operates 74 manufacturing facilities in 27 states .
internationally , 3m has 148 sales offices .
the company operates 93 manufacturing and converting facilities in 32 countries outside the united states .
3m owns substantially all of its physical properties .
3m 2019s physical facilities are highly suitable for the purposes for which they were designed .
because 3m is a global enterprise characterized by substantial intersegment cooperation , properties are often used by multiple business segments .
item 3 .
legal proceedings .
discussion of legal matters is incorporated by reference from part ii , item 8 , note 13 , 201ccommitments and contingencies , 201d of this document , and should be considered an integral part of part i , item 3 , 201clegal proceedings . 201d item 4 .
submission of matters to a vote of security holders .
none in the quarter ended december 31 , 2007 .
part ii item 5 .
market for registrant 2019s common equity , related stockholder matters and issuer purchases of equity securities .
equity compensation plans 2019 information is incorporated by reference from part iii , item 12 , 201csecurity ownership of certain beneficial owners and management and related stockholder matters , 201d of this document , and should be considered an integral part of item 5 .
at january 31 , 2008 , there were approximately 121302 shareholders of record .
3m 2019s stock is listed on the new york stock exchange , inc .
( nyse ) , the chicago stock exchange , inc. , and the swx swiss exchange .
cash dividends declared and paid totaled $ .48 per share for each quarter of 2007 , and $ .46 per share for each quarter of 2006 .
stock price comparisons follow : stock price comparisons ( nyse composite transactions ) ( per share amounts ) quarter second quarter quarter fourth quarter year .

(Per share amounts)
First Quarter
Second Quarter
Third Quarter
Fourth Quarter
Year
2007 High
$79.88
$89.03
$93.98
$97.00
$97.00
2007 Low
72.90
75.91
83.21
78.98
72.90
2006 High
$79.83
$88.35
$81.60
$81.95
$88.35
2006 Low
70.30
75.76
67.05
73.00
67.05

issuer purchases of equity securities repurchases of common stock are made to support the company 2019s stock-based employee compensation plans and for other corporate purposes .
on february 13 , 2006 , the board of directors authorized the purchase of $ 2.0 billion of the company 2019s common stock between february 13 , 2006 and february 28 , 2007 .
in august 2006 , 3m 2019s board of directors authorized the repurchase of an additional $ 1.0 billion in share repurchases , raising the total authorization to $ 3.0 billion for the period from february 13 , 2006 to february 28 , 2007 .
in february 2007 , 3m 2019s board of directors authorized a two- year share repurchase of up to $ 7.0 billion for the period from february 12 , 2007 to february 28 , 2009. .

Question: Analyse this data from a financial earnings document. in 2006 what was the total amount authorized by the board of directors authorized for the repurchase of shares in billions
Choices:
3
4
39
3.0
149
Correct choice index: 3