MS = (AER − ERER)

ERER

AER

Year

-

-

0.295

1985

-

-

0.314

1986

−0.335

0.63

0.295

1987

−0.345

0.63

0.285

1988

−0.276

0.57

0.294

1989

−0.218

0.50

0.282

1990

−0.236

0.52

0.284

1991

−0.097

0.70

0.797

1992

−0.329

0.65

0.321

1993

−0.340

0.70

0.360

1994

−0.458

0.81

0.352

1995

−0.356

0.72

0.364

1996

−0.384

0.77

0.386

1997

−0.399

0.85

0.451

1998

−0.540

1.00

0.460

1999

−0.577

1.10

0.543

2000

−0.546

1.19

0.644

2001

−1.1

2.31

1.210

2002

−1.259

2.56

1.301

2003

−1.296

2.54

1.244

2004

−1.362

2.71

1.348

2005

−1.299

2.58

1.281

2006

−1.189

2.41

1.221

2007

−1.275

2.52

1.245

2008

−1.266

2.46

1.234

2009

−1.259

2.51

1.251

2010

−1.277

2.51

1.256

2011

−1.254

2.53

1.253

2012

−1.360

2.61

1.250

2013

−1.409

2.74

1.331

2014

−1.481

2.87

1.389

2015

−1.433

2.87

1.437

2016

−1.358

2.71

1.352

2017

−1.343

2.73

1.387

2018

−1.468

2.86

1.392

2019

−1.49

2.90

1.410

2020