请教各位大师啊！！！

我想要的是这样的图：

Sex

Height

Weight

F

60.588889

90.111111

M

63.91

108.95

就是每个组别（sex）下有横线，而且带有一个空白行。

但是我却只能得到这样的图；

Sex

Height

Weight

F

60.588889

90.111111

M

63.91

108.95

这是我的程序；

proc template;
define style Styles.Threelines;
parent = Styles.Default;
/*title*/
style SystemTitle /
FONT_FACE = " Times New Roman, Comic Sans MS, Helvetica, sans-serif"
/*work style(font)ziti   These are the 3 choices of font being requested, in order of preference.*/
FONT_SIZE = 5
/* work size*/
FONT_WEIGHT = bold
FONT_STYLE = roman
/*FONT_STYLE = italic,italic is not upright word*/
FOREGROUND = midnightblue
/*word color*/
BACKGROUND = white;
/* back color*/
/*footnote*/
STYLE SystemFooter /
FONT_FACE = " Times New Roman, Comic Sans MS, Helvetica, sans-serif"
FONT_SIZE = 2
FONT_WEIGHT = bold
FONT_STYLE = italic
FOREGROUND = black
BACKGROUND = white;
/*column header*/
STYLE Header /
FONT_FACE = "Times New Roman, Helvetica, sans-serif"
FONT_SIZE = 4
FONT_WEIGHT = medium
FONT_STYLE = roman
FOREGROUND = black
BACKGROUND = white;
STYLE RowHeader from header /
BACKGROUND = white;
/*TABLE CELLS*/
STYLE Data /
FONT_FACE = "Times New Roman, Helvetica, sans-serif"
FONT_SIZE = 2
FONT_WEIGHT = medium
FONT_STYLE = roman
FOREGROUND = black
BACKGROUND = white;
/*lines around and inside the table,,called borders and rules*/
STYLE Table /
FOREGROUND = black
BACKGROUND = white
CELLSPACING = 0
CELLPADDING = 3
FRAME = HSIDES/*controls the border that runs around the outside of the table.*/
RULES = groups;/*controls rules and borders */
STYLE Body /
FONT_FACE = "Times New Roman, Arial, Helvetica, sans-serif"
FONT_SIZE = 3
FONT_WEIGHT = medium
FONT_STYLE = roman
FOREGROUND = black
BACKGROUND = white;
/*ODS creates a table to hold the title, and a table to hold the footnote. To make the boxes go away*/
STYLE SysTitleAndFooterContainer /
CELLSPACING=0;
end;
run;

ods rtf file="F:\pratise.rtf" style=Threelines;

proc report

data=sashelp.class nowd;

column sex height weight;

define

sex/group;

define height/analysis n mean;

define weight/analysis n

mean;

compute after sex;

line "";

endcomp;

run;

ods rtf close;