0379-3982

0379-3982

S0379-39822020000200137

10.18845/tm.v33i2.4073

Costa Rica

Costa Rica

00 06 2020

00 06 2020

33 2 137 149

(1)

1998 44 6 6

(2)

2000 1

31-340

(3)

2010

159-72

(4)

2001

198-207

(5)

1998

(6)

2009 18 1 1

1-27

(7)

2008 2 2

1542-52

(8)

1973 1

66-103

(9)

2005

(10)

2011

(11)

Google web page

(12)

Google Initiative

(13)

2011

(14)

2014

19-26

(15)

2001

(16)

2005 2 2

154-77

(17)

2011 108

1687-92

(18)

2003

(19)

2009 :

695-706

(20)

2013

1-6

(21)

1998

(22)

McGovern

2010

(23)

2009

(24)

2009

(25)

2001

(26)

2013

(27)

2015

(28)

2015

1085-94

(29)

2005 2 2

(30)

UCR Time Series

(31)

1999 42-4

(32)

2010

(33)

2004

23-34

(34)

1997

(35)

2017

1213-22