102
Data is stored in little-endian format
Supports 2-byte and 4-byte integer variables
Supports 4-byte and 8-byte float point variables
Number of variables stored in 2-byte integer
Number of observations stored in 2-byte integer
Variable names up to 8 characters
Data and variable  labels up to 32 characters
Value labels up to 8 characters
Variable format information up to 7 characters
Valid string characters are ASCII codes 1-127
Single missing value supported for each variable type (.)

103
Allow choice of little or big-endian bit ordering
Number of observations stored in 4-byte integer
Added str1 to str80 string variable types

104
Added byte variable type

105
Added time-stamp record
Added expansion fields with 2-byte integer records
Storage for variable format information increased to 12 characters

108
Valid string characters are ASCII codes 1-255
Data and variable label length increased to 81 characters
Value label length is no longer fixed
Underlying missing value code changed for float and double types

110
Maximum variable name increased to 32 characters
European commas introduced into available formats
Expansion record length field size increased from 2-byte to 4-byte integer

111
Variable type codes changed to increase maximum size string variable type to str244

113
Multiple missing value codes (., .a .. .z) supported

114
Storage for variable format information increased to 49 characters

115
Introduces %tb business date format

118
Storage for variable format information increased to 57 characters
Strings are now stored as UTF-8, increasing allocation reserved for each character from one byte to four bytes

119
Allows more than 32,767 variable to be stored (changing storage of this from 2-byte to 4-byte integer)

120
As 118, but allows references to alias variables

121
As 119, but allows references to alias variables